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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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There are approximately 3 million unintended pregnancies in the United States each year.